caa a22 4500 445867744 CHVBK 20180317145503.0 cr unu---uuuuu 170323e20110101xx s 000 0 eng 10.1140/epjd/e2010-00280-7 doi (NATIONALLICENCE)springer-10.1140/epjd/e2010-00280-7 Quantum correlations and fluctuations in the pulsed light produced by a synchronously pumped optical parametricoscillator below its oscillation threshold [Elektronische Daten] [V. A. Averchenko, Yu. M. Golubev, C. Fabre, N. Treps] Abstract.: We present a simple quantum theory for the pulsed light generated by a synchronously pumped optical parametric oscillator (SPOPO) in the degenerate case where the signal and idler trains of pulses coincide, below threshold and neglecting all dispersion effects. Our main goal is to precise in the obtained quantum effects, which ones are identical to the c.w. case and which ones are specific to the SPOPO. We demonstrate in particular that the temporal correlations have interesting peculiarities: the quantum fluctuations at different times within the same pulse turn out to be totally not correlated, whereas they are correlated between nearby pulses at times that are placed in the same position relative to the center of the pulses. The number of significantly correlated pulses is of the order of cavity finesse. We show also that there is perfect squeezing at noise frequencies $\Omega_m$ = 2π m/T R (m = 0, 1, 2,$\ldots$ where T R is the pulse train period) when one approaches the threshold from below on the signal field quadrature measured by a balanced homodyne detection with a local oscillator of very short duration compared to the SPOPO pulse length. EDP Sciences, SIF, Springer-Verlag Berlin Heidelberg, 2010 Averchenko V. A. V. A. Fock Physics Institute, St. Petersburg State University, Stary Petershof, ul. Ul'yanovskaya, 1, 198504, St. Petersburg, Russia aut Golubev Yu. M. V. A. Fock Physics Institute, St. Petersburg State University, Stary Petershof, ul. Ul'yanovskaya, 1, 198504, St. Petersburg, Russia aut Fabre C. Laboratoire Kastler Brossel, Université Pierre et Marie Curie-Paris 6, Place Jussieu, CC74, 75252, Paris Cedex 05, France aut Treps N. Laboratoire Kastler Brossel, Université Pierre et Marie Curie-Paris 6, Place Jussieu, CC74, 75252, Paris Cedex 05, France aut The European Physical Journal D Springer-Verlag 61/1(2011-01-01), 207-214 1434-6060 61:1<207 2011 61 10053 https://doi.org/10.1140/epjd/e2010-00280-7 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1140/epjd/e2010-00280-7 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Averchenko V. A. V. A. Fock Physics Institute, St. Petersburg State University, Stary Petershof, ul. Ul'yanovskaya, 1, 198504, St. Petersburg, Russia aut NATIONALLICENCE 700 1- Golubev Yu. M. V. A. Fock Physics Institute, St. Petersburg State University, Stary Petershof, ul. Ul'yanovskaya, 1, 198504, St. Petersburg, Russia aut NATIONALLICENCE 700 1- Fabre C. Laboratoire Kastler Brossel, Université Pierre et Marie Curie-Paris 6, Place Jussieu, CC74, 75252, Paris Cedex 05, France aut NATIONALLICENCE 700 1- Treps N. Laboratoire Kastler Brossel, Université Pierre et Marie Curie-Paris 6, Place Jussieu, CC74, 75252, Paris Cedex 05, France aut NATIONALLICENCE 773 0- The European Physical Journal D Springer-Verlag 61/1(2011-01-01), 207-214 1434-6060 61:1<207 2011 61 10053 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer